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# RANDOM

Attribute of a process that is entirely or largely governed by chance, e.g., a roulette wheel, dice, the brownian movement, but also the pattern on the screen of a television set receiving atmospheric noise only. Perfect randomness rarely exists in nature and is difficult to simulate. In practice, randomness is confined by particular parameters, e.g., a roulette wheel is expected to be random only within a range of numbers, not regarding how long the wheel takes to pick one, and it may even deviate from the ideal of uniform probabilities (*see* probability), e.g., when the roulette wheel is biased. The simulation of randomness by computers utilizes so-called pseudo random generators whose behavior is nearly impossible to predict without knowledge of the starting number and its algorithm (*see* generative) . (Krippendorff)

URL= http://cleamc11.vub.ac.be/ASC/RANDOM.html